From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: handa Newsgroups: gmane.emacs.bugs Subject: bug#28339: 25.2; Emacs shows ZWNJ character (Zero Width non-Joiner) as Space Date: Sat, 16 Sep 2017 10:32:57 +0900 Message-ID: <877ewzsa0m.fsf@gnu.org> References: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" X-Trace: blaine.gmane.org 1505525656 19515 195.159.176.226 (16 Sep 2017 01:34:16 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 16 Sep 2017 01:34:16 +0000 (UTC) Cc: nimawebgard@gmail.com, 28339@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Sep 16 03:34:09 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dt1zl-0004nO-0u for geb-bug-gnu-emacs@m.gmane.org; Sat, 16 Sep 2017 03:34:09 +0200 Original-Received: from localhost ([::1]:55597 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dt1zo-0000XH-U0 for geb-bug-gnu-emacs@m.gmane.org; Fri, 15 Sep 2017 21:34:12 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:54276) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dt1zj-0000Wu-Gr for bug-gnu-emacs@gnu.org; Fri, 15 Sep 2017 21:34:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dt1ze-0003V2-Ju for bug-gnu-emacs@gnu.org; Fri, 15 Sep 2017 21:34:07 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:34524) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dt1ze-0003Uw-Gx for bug-gnu-emacs@gnu.org; Fri, 15 Sep 2017 21:34:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1dt1ze-0002pE-BX for bug-gnu-emacs@gnu.org; Fri, 15 Sep 2017 21:34:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: handa Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 16 Sep 2017 01:34:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 28339 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 28339-submit@debbugs.gnu.org id=B28339.150552560410810 (code B ref 28339); Sat, 16 Sep 2017 01:34:02 +0000 Original-Received: (at 28339) by debbugs.gnu.org; 16 Sep 2017 01:33:24 +0000 Original-Received: from localhost ([127.0.0.1]:43205 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dt1z2-0002oI-9P for submit@debbugs.gnu.org; Fri, 15 Sep 2017 21:33:24 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:34936) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dt1yz-0002o4-Pu for 28339@debbugs.gnu.org; Fri, 15 Sep 2017 21:33:22 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dt1yt-000308-QL for 28339@debbugs.gnu.org; Fri, 15 Sep 2017 21:33:16 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:53338) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dt1ym-0002ta-H1; Fri, 15 Sep 2017 21:33:08 -0400 Original-Received: from fl1-119-240-89-46.iba.mesh.ad.jp ([119.240.89.46]:48110 helo=shatin) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1dt1yl-0005gN-T5; Fri, 15 Sep 2017 21:33:08 -0400 Original-Received: from handa by shatin with local (Exim 4.86_2) (envelope-from ) id 1dt1yb-0004Qn-6b; Sat, 16 Sep 2017 10:32:57 +0900 In-Reply-To: <83y3phmca8.fsf@gnu.org> (message from Eli Zaretskii on Thu, 14 Sep 2017 20:15:59 +0300) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:136995 Archived-At: --=-=-= Content-Type: text/plain In article <83y3phmca8.fsf@gnu.org>, Eli Zaretskii writes: > > Each Arabic character constitutes a grapheme cluster. Then, for the > > sequence "0646 0645 06CC 200C 0634 0648 062F", to which neighboring should > > 200C belongs to? Does Unicode define it? > I don't think Unicode defines that, but I thought the shaping engine > gives us back glyphs that don't include ZWNJ itself. Evidently, > that's not true, which I find strange. If ZWNJ is WITHIN a grapheme cluster (i.e. not at the edges of the cluster), the m17n lib does not return ZWNJ glyph. > > Anyway, is it convenient or inconvenient to be able to edit ZWNJ directly? > It's convenient. But we already support deletion of composed > characters, so I didn't think it mattered. If Unicode does not have a rule of ZWNJ handing, to delete ZWNJ, how a user know which to type; C-d or BS? And while doing cut&paste repeatedly, are there any chance of having the second and third lines of the attached file? They have two and three consecutive ZWNJ. How does a user notice such a (perhaps incorrect) situation? --- K. Handa handa@gnu.org --=-=-= Content-Type: text/plain; charset=utf-8 Content-Disposition: inline; filename=arabic.txt Content-Transfer-Encoding: base64 2YbZhduM4oCM2LTZiNivDQrZhtmF24zigIzigIzYtNmI2K8NCtmG2YXbjOKAjOKAjOKAjNi02YjY rw0K --=-=-=--